Re: [Qemu-devel] [PATCH 4/4] monitor: Add object_add class argument completion.

[Luiz Capitulino <lcapitulino@redhat.com>]

On Thu,  6 Feb 2014 23:30:13 +0100
Hani Benhabiles <kroosec@gmail.com> wrote:

> ---
>  monitor.c | 23 +++++++++++++++++++++++
>  1 file changed, 23 insertions(+)
> 
> diff --git a/monitor.c b/monitor.c
> index 4a2c1ae..397e1fe 100644
> --- a/monitor.c
> +++ b/monitor.c
> @@ -56,6 +56,7 @@
>  #include "qapi/qmp/qjson.h"
>  #include "qapi/qmp/json-streamer.h"
>  #include "qapi/qmp/json-parser.h"
> +#include <qom/object_interfaces.h>
>  #include "qemu/osdep.h"
>  #include "cpu.h"
>  #include "trace.h"
> @@ -4275,6 +4276,26 @@ static void device_add_completion(ReadLineState *rs, const char *str)
>      g_slist_free(list);
>  }
>  
> +static void object_add_completion(ReadLineState *rs, const char *str)
> +{
> +    GSList *list, *elt;
> +    size_t len;
> +
> +    len = strlen(str);
> +    readline_set_completion_index(rs, len);
> +    list = elt = object_class_get_list(TYPE_USER_CREATABLE, false);
> +    while (elt) {
> +        const char *name;
> +
> +        name = object_class_get_name(OBJECT_CLASS(elt->data));
> +        if (!strncmp(name, str, len) && strcmp(name, TYPE_USER_CREATABLE)) {
> +            readline_add_completion(rs, name);
> +        }
> +        elt = elt->next;
> +    }
> +    g_slist_free(list);
> +}
> +
>  static void device_del_completion(ReadLineState *rs, BusState *bus,
>                                    const char *str, size_t len)
>  {
> @@ -4381,6 +4402,8 @@ static void monitor_find_completion_by_table(Monitor *mon,
>          case 'O':
>              if (!strcmp(cmd->name, "device_add") && nb_args == 2) {
>                  device_add_completion(mon->rs, str);
> +            } else if (!strcmp(cmd->name, "object_add") && nb_args == 2) {
> +                object_add_completion(mon->rs, str);
>              }
>              break;
>          case 's':

Those many ifs need to be generalized. Maybe we could add a
command_completion callback to mon_cmd_t? Anyway, I won't refuse the series
because of that but it would be very welcome to improve this.